condition mean min max 0 h after light 6.743639999999999 4.73821 8.74907 2 h after light 4.9965399999999995 4.9321 5.06098 4 h after light 7.479509999999999 7.26939 7.68963 8 h after light 12.597 11.9902 13.2038 12 h after light 13.22255 12.5117 13.9334 2 h after dark 11.36645 10.7477 11.9852 4 h after dark 9.44653 8.59536 10.2977 8 h after dark 10.039645 9.49409 10.5852 12 h after dark 8.585405 7.60343 9.56738